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A case report of Herbaspirillum infection in rural Australia
Elizabeth Josy Panikulam1, Aideanna Seenarain2, Himal Shrestha3
1Department of Infectious Diseases, Latrobe Regional Health, Victoria, Australia.
Background:
Herbaspirillum is a genus of Gram-negative bacilli typically found in soil, which has recently been recognized as a cause of opportunistic infections in humans, affecting both immunocompromised and immunocompetent individuals.
Case Summary:
We report two patients from rural Australia who developed infections caused by two distinct Herbaspirillum species and a review of the literature of human infections caused by this organism. These isolates were misidentified on the Vitek 2 system as Burkholderia cepacia and were identified to the genus level with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF) and 16S PCR. Accurate species identification was confirmed with whole genome sequencing analysis.
Conclusion:
Herbaspirillum species are increasingly identified as human pathogens, which can be accurately identified to the species level with sequencing techniques.
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